80978415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 154275840

約数和(自身を除く): 73297425

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 61, 105, 141, 183, 235, 269, 305, 329, 427, 705, 807, 915, 987, 1281, 1345, 1645, 1883, 2135, 2867, 4035, 4935, 5649, 6405, 8601, 9415, 12643, 14335, 16409, 20069, 28245, 37929, 43005, 49227, 60207, 63215, 82045, 88501, 100345, 114863, 189645, 246135, 265503, 301035, 344589, 442505, 574315, 771223, 1327515, 1722945, 2313669, 3856115, 5398561, 11568345, 16195683, 26992805, 80978415]

約数ペア:

[(1, 80978415), (3, 26992805), (5, 16195683), (7, 11568345), (15, 5398561), (21, 3856115), (35, 2313669), (47, 1722945), (61, 1327515), (105, 771223), (141, 574315), (183, 442505), (235, 344589), (269, 301035), (305, 265503), (329, 246135), (427, 189645), (705, 114863), (807, 100345), (915, 88501), (987, 82045), (1281, 63215), (1345, 60207), (1645, 49227), (1883, 43005), (2135, 37929), (2867, 28245), (4035, 20069), (4935, 16409), (5649, 14335), (6405, 12643), (8601, 9415)]